Spezifikation für Freigabe / specification for release Kunde / customer : Artikelnummer / part number : Bezeichnung : description : 744878006 LF DOPPELDROSSEL WE-DD POWER-CHOKE WE-DD RoHS compliant DATUM / DATE : 2005-05-23 A Mechanische Abmessungen / dimensions : A B Typ S D C 2 3 A E 7,3 ± 0,4 4,0 max. 1,0 ± 0,1 2,7 ± 0,1 4,0 ± 0,2 A B C D E F mm mm mm mm mm mm 2 1 Start 1 Finish 3 4 4 L1 L2 @@FRM 1@@ B Elektrische Eigenschaften / electrical properties : Eigenschaften / properties Testbedingungen / test conditions Induktivität (je Wicklg.) / inductance (each wdg.) DC-Widerstand (je Wicklg.) / DC-resistance (each wdg) DC-Widerstand (je Wicklg.) / DC-resistance (each wdg) Nennstrom (je Wicklg.) / rated Current (each wdg.) Sättigungsstrom (je Wicklg.) / saturation current (each wdg.) Eigenres.-Frequenz / self-res.-fequency Nennspannung / rated voltage C Lötpad / soldering spec.: Wert / value Einheit / unit 1 kHz / 0,25V L1,L2 6,8 µH ±20% @ 20° RDC1,2 0,110 Ω typ. @ 20° RDC1,2 0,135 Ω max. ∆T = 40 K IN1,IN2 1,20 A max. |∆L/L|<10% Isat 2,50 A max. SRF 25 MHz typ. UDC 80 V max. D Prüfgeräte / test equipment : [ mm ] tol. 0,8 2,2 3,1 2,2 1,0 E Testbedingungen / test conditions : HP 4274 A für/for L und/and Q Luftfeuchtigkeit / humidity: HP 34401 A für/for IDC und/and RDC Umgebungstemperatur / temperature: 33% +20°C F Werkstoffe & Zulassungen / material & approvals : G Eigenschaften / general specifications : Basismaterial / base material: Ferrit/ ferrite Betriebstemp. / operating temperature: Draht / wire: 2 SFBW; 155°C Umgebungstemp. / ambient temperature: -40°C - + 85°C -40°C - + 125°C It is recommended that the temperature of the part does not exceed 125°C under worst case operating conditions. Freigabe erteilt / general release: .................................................................................. Datum / date ............................................... Geprüft / checked Kunde / customer .................................................................................. Unterschrift / signature Würth Elektronik ................................................. Kontrolliert / approved SST Version 7 05-05-23 SST Version 6 05-03-29 MST Version 5 04-10-11 MST Version 4 04-04-27 SST Version 3 04-03-12 SST Version 1 04-02-19 Name Änderung / modification Datum / date Würth Elektronik eiSos GmbH & Co.KG D-74638 Waldenburg · Max-Eyth-Strasse 1 - 3 · Germany · Telefon (+49) (0) 7942 - 945 - 0 · Telefax (+49) (0) 7942 - 945 - 400 http://www.we-online.com SEITE 1 VON 3 Spezifikation für Freigabe / specification for release Kunde / customer : Artikelnummer / part number : Bezeichnung : description : 744878006 LF DOPPELDROSSEL WE-DD POWER-CHOKE WE-DD RoHS compliant DATUM / DATE : 2005-05-23 H Induktivitätskurve / Inductance curve: Induktivität vs Strom (typ.) / Inductance vs Current (typ.) 8,00 7,00 6,00 L (µH) 5,00 4,00 3,00 2,00 1,00 0,00 0,0 1,0 2,0 3,0 4,0 5,0 6,0 Current (A) Freigabe erteilt / general release: .................................................................................. Datum / date ............................................... Geprüft / checked Kunde / customer .................................................................................. Unterschrift / signature Würth Elektronik .................................................. Kontrolliert / approved SST Version 7 05-05-23 SST Version 6 05-03-29 MST Version 5 04-10-11 MST Version 4 04-04-27 SST Version 3 04-03-12 SST Version 1 04-02-19 Name Änderung / modification Datum / date Würth Elektronik eiSos GmbH & Co.KG D-74638 Waldenburg · Max-Eyth-Strasse 1 - 3 · Germany · Telefon (+49) (0) 7942 - 945 - 0 · Telefax (+49) (0) 7942 - 945 - 400 http://www.we-online.com SEITE 2 VON 3 Spezifikation für Freigabe / specification for release Kunde / customer : Artikelnummer / part number : Bezeichnung : description : 744878006 LF DOPPELDROSSEL WE-DD POWER-CHOKE WE-DD RoHS compliant DATUM / DATE : 2005-05-23 I Rollenspezifikation / tape and reel specification: øC D Gurtspezifikation / Tape specification: A 9,00 ± 0,1 mm B 16,0 ± 0,2 mm C mm 1,50 -+ 0,1 0,0 E D E F G B 4,00 2,00 9,00 3,50 ± 0,1 ± 0,1 ± 0,1 ± 0,1 mm mm mm mm A F G a Rollenspezifikation / Reel specification: a 330,0 ± 2,0 mm b 21,00 ± 0,8 mm d c 13,00 ± 0,5 mm d 100,0 ± 1,0 mm b Øc 150° The force for tearing off cover tape is 20 to 70 grams in arrow direction feeding direction Freigabe erteilt / general release: .................................................................................. Datum / date ............................................... Geprüft / checked Kunde / customer .................................................................................. Unterschrift / signature Würth Elektronik .................................................. Kontrolliert / approved SST Version 7 05-05-23 SST Version 6 05-03-29 MST Version 5 04-10-11 MST Version 4 04-04-27 SST Version 3 04-03-12 SST Version 1 04-02-19 Name Änderung / modification Datum / date This electronic component is designed and developed with the intention for use in general electronics equipments. Before incorporating the components into any equipments in the field such as aerospace, aviation, nuclear control, submarine, transportation, (automotive control, train control, ship control), transportation signal, disaster prevention, medical, public information network etc. where higher safety and reliability are especially required or if there is possibility of direct damage or injury to human body. In addition, even electronic component in general electronic equipments, when used in electrical circuits that require high safety, reliability functions or performance, the sufficient reliability evaluation-check for the safety must be performed before use. It is essential to give consideration when to install a protective circuit at the design stage Würth Elektronik eiSos GmbH & Co.KG D-74638 Waldenburg · Max-Eyth-Strasse 1 - 3 · Germany · Telefon (+49) (0) 7942 - 945 - 0 · Telefax (+49) (0) 7942 - 945 - 400 http://www.we-online.com SEITE 3 VON 3